adv. 意外地,忽然地;奄;勃;霍然;
💡 sudden突然的 + ly ...地 → adv.突然地
"Suddenly he found himself awake and fully alert."
突然他发觉自己醒了过来,而且高度警觉。
近义:impromptu, inadvertently, abruptly, offhand, overnight, sharply
反义:progressively, slowly, sparingly, stingily, inchmeal, consecutively
adj. 困恼的,为难的;担心的;
v. 担心( worry的过去式和过去分词);
💡 worr=worry担心+ied形容词后缀 → 担心的
近义:anxious, jumpy, nervous, preoccupied, qualmish, queasy
反义:insouciant, lighthearted, slapdash, unconcerned, unmindful, untroubled